Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8020573 | Microfluidic channels and reservoirs in portable electronic devices A microfluidic case and an electronic device including a microfluidic case are described. ... | 09/20/2011 |
| 7341210 | Nozzle cap for sealing nozzle particularly used to charge with high pressurized fluid A nozzle cap is disclosed which is threadedly engaged with a distal end of a nozzle through which a compressed fluid is passed. The nozzle cap includes a terminal wall opposed to a distal end face of the nozzle axially with respect to the nozzle, a sealing member pl... | 03/11/2008 |
| 7325560 | In-situ gas blending and dilution system for delivery of dilute gas at a predetermined concentration Apparatus and method for delivery of dilute active fluid, e.g., to a downstream active fluid-consuming process unit of a semiconductor manufacturing plant. The delivery system includes an active fluid source, a diluent fluid source, a fluid flow metering device for ... | 02/05/2008 |
| 7273585 | Biological fluid disposal system A biological fluid disposal system having a water flow line, a biological fluid line in fluid communication with the water flow line, a disinfectant line in fluid communication with the water flow line and the biological fluid line, and a venturi connected to one of... | 09/25/2007 |
| 7255776 | Paper product and method therefor using molten wax suspension A method including improving a property of a paper product precursor by adding a molten wax suspension to paper product precursor, the molten wax suspension including a suspension of liquid wax particles in a liquid solvent, the liquid wax particles being at a tempe... | 08/14/2007 |
| 7209806 | Self-contained electronic pressure monitoring and shutdown device The invention is a self-contained process shutdown device that detects abnormal pressures and initiates shutdown by removing the pneumatic or hydraulic pressure needed for a given process or flow to continue. The process' pressure is detected by means of a switch-ga... | 04/24/2007 |
| 7207345 | Fluid routing device A single layer fluid routing device comprising a first channel having a cross-section of a first aspect ratio and a first depth; a second channel having a second cross-section of a second different aspect ratio and a second different depth; wherein the second channe... | 04/24/2007 |
| 7156118 | Microfluidic system with high aspect ratio The invention relates to the technical field of microfluidic channel structures. The invention discloses a microfluidic channel system with a high aspect ratio as well as a process for producing the microfluidic system. The process according to the invention enables... | 01/02/2007 |
| 7155319 | Closed loop control on liquid delivery system ECP slim cell A method for controlling liquid delivery in a processing chamber. The method includes generating an analog input (AI) signal proportional to a process variable and calculating an analog output (AO) signal based on a setpoint and a deadband. The setpoint is a target ... | 12/26/2006 |
| 7108736 | Method of installing a molecular sieve bed gas-enriching system A method of installing a molecular sieve bed gas enrichment system in a vehicle such as an aircraft. A system controller, a product gas distribution conduit, a high pressure gas supply conduit which extends from a high pressure gas source, and a plurality of molecul... | 09/19/2006 |
| 7036686 | Soft drink dispensing system A system for dispensing and mixing metered amounts of first and second liquid components of a soft drink. The system comprises a mixing chamber connected by separate feed conduits to pressurized sources of the first and second liquid components. First normally close... | 05/02/2006 |
| 6955710 | On-board oxygen production system for aircraft, in particular long-range aircraft Method and system on board an aircraft for the production of an oxygen-enriched gas stream from an oxygen/nitrogen gas mixture, particularly air, comprising at least one adsorber containing at least one adsorbent for adsorbing at least some of the nitrogen molecules... | 10/18/2005 |
| 6929237 | Valve actuation system and methods for pipeline valves The invention is therefore directed to a rotary valve actuating system coupled to a pipeline for a pressurized fluid, the actuating system being coupled to the rotary valve to selectively cause operation of the valve. The valve actuating system comprises at least tw... | 08/16/2005 |
| 6895983 | Method and apparatus for dividing the flow of a gas stream An apparatus for dividing the flow of a gas stream and a method for controlling the flow division of a gas stream are disclosed, the apparatus including an inlet conduit for receiving the gas stream, outlet conduits in fluid communication with the inlet conduit for ... | 05/24/2005 |
| 6884867 | Precondition for inverting, mixing, and activating polymers A process for activating polymer including preconditioning a diluent by heating it to a high temperature and then mixing the heated diluent with the polymer to form a blend having a high polymer content (e.g., about 5% polymer and 95% hot diluent). The blend is acti... | 04/26/2005 |
| 6863594 | Method and device for cleaning high-voltage carrying installation component parts A cleaning method and a corresponding cleaning device offer adequate protection to individuals, devices and installations, for cleaning component parts of installations that carry an electrical high-voltage and which are not disconnected during cleaning. Towards thi... | 03/08/2005 |
| 6589791 | State-variable control system The invention relates to a state-variable feedback control system for monitoring and optimally controlling the operation of a microfluidic aspirate dispense-system. A steady state operating pressure is determined from the fluid, flow and/or operational ch... | 07/08/2003 |
| 6302129 | Pulse sensing feedback control system The present invention provides a feedback control system using at least one operating personnel for controlling a system or a function in a system. The control results from sequential manual interruption by the operator of the fluid flow at the discharge ... | 10/16/2001 |
| 6168824 | Paint viscosity measuring system A method of monitoring and regulating the viscosity of paint in an automotive paint application is provided. The method includes delivering paint to the paint application system with a pump. Continuously monitoring the pressure that the paint is delivered... | 01/02/2001 |
| 6000418 | Integrated dynamic fluid mixing apparatus and method A fluid mixing system and a method of using same for maintaining uniform concentrations of fluid chemical additives in a dilutant, in which the system includes a multi-port aspirator device including a venturi having a venturi inlet for receiving dilutant... | 12/14/1999 |
| 5899219 | Ratio mixing valve and method for controlling dither in same A ratio mixing valve for mixing first and second fluids in a constant volumetric ratio regardless of variations of supply pressures of the two fluids. The valve has an inlet passage for the first fluid that passes through a spool valve chamber, and an inl... | 05/04/1999 |
| 5884649 | Fluid measuring, dilution and delivery system with air leakage monitoring and correction A device for automatic dilution of chemical additives and water utilizing a single pump (20) drawing water and other chemical additives through a dilution manifold (10). The introduction of air into the system is monitored such that the system performance... | 03/23/1999 |
| 5878771 | Precision gas blender Apparatus and methods for precision batch or continuous flow blending of gases are described. Pulsatile precision metering valves having substantially zero dead space are employed to introduce gases to a mixing chamber or manifold in predictable uniform q... | 03/09/1999 |
| 5873946 | Installation and a process for lubricating, cleaning and/or disinfecting conveyor belts An installation for lubricating, cleaning and/or disinfecting conveyor belts for containers, more particularly for foods, such as bottles, glasses, cans, bags and the like, comprising a central metering station connectable to a water pipe used to dilute a... | 02/23/1999 |
| 5865206 | Process and apparatus for backing-up or supplementing a gas supply system The invention is directed to a process for providing a gas having a minimum pressure and a composition that includes a major component to an end application, said process comprising the following steps: a) providing a first gas having said major component in a... | 02/02/1999 |
| 5852231 | Elution liquid control for a liquid chromatograph In a low pressure gradient liquid chromatograph, two eluting liquids are transferred while they are being mixed with each other, whereby the mixing ratio thereof is changed with time. The mixing is performed by alternately opening and closing check valves... | 12/22/1998 |
| 5806550 | Method and apparatus for monitoring and controlling the amount of liquid in a mixing chamber A method and apparatus are disclosed for improving the consistency and quality of a frozen carbonated beverage product. The invention utilizes a method of monitoring the level of liquid in the mixing chamber of a frozen carbonated beverage machine to acco... | 09/15/1998 |
| 5777213 | Preparative liquid chromatography apparatus The invention provides a preparative liquid chromatography apparatus wherein flow rate control can be effected in a wider range and with a higher degree of accuracy than where a pump is used while preventing production of air bubbles in liquid and the mix... | 07/07/1998 |
| 5769108 | Fluid measuring, dilution and delivery system with air leakage monitoring and correction A device for automatic dilution of chemical additives and water utilizing a single pump (20) drawing water and other chemical additives through a dilution manifold (10). The introduction of air into the system is monitored such that the system performance... | 06/23/1998 |
| 5671767 | Gas mixing apparatus for respirator A gas mixing valve has first and second inlet chambers linked to supplies of a first and second gas, and a mixing chamber having a blended gas outlet. The inlet chambers are connected to the mixing chamber via first and second control valves, each valve h... | 09/30/1997 |
| 5661225 | Dynamic dilution system An apparatus for generating a low concentration calibration gas mixture containing percent, ppm, ppb or ppt amounts of a desired analyte from a high concentration gas mixture and a high purity diluent using a series of source gas containing vessels and a ... | 08/26/1997 |
| 5653250 | Vapor-liquid equilibrium and interfacial tension measuring apparatus and method An apparatus and method for facilitating the attainment of thermodynamic equilibrium and for measurement of interfacial tension of mixtures. A fixed volume chamber is connected at an upper end face and lower wall portion of the chamber to a first variable... | 08/05/1997 |
| 5605173 | Liquid distribution operable by solenoid valves Water enters a common manifold at one or more individually line valved inlet ports, and is routed selectively by direct acting type solenoid operated valves to plural exit ports from the manifold. One exit port solenoid valve is normally open and the solenoid ... | 02/25/1997 |
| 5540251 | Precision gas blender Apparatus and methods for precision batch or continuous flow blending of gases are described. Pulsatile precision metering valves having substantially zero dead space are employed to introduce gases to a mixing chamber or manifold in predictable uniform q... | 07/30/1996 |
| 5538027 | Pressure balancing foam valve A pressure balancing foam valve includes a body having a liquid inlet at one end and a liquid outlet at an opposite end, and having an annular passage therethrough. A first stage pressure regulating assembly is disposed within the annular passage of the v... | 07/23/1996 |
| 5537335 | Fluid delivery apparatus and associated method A fluid delivery apparatus including a chamber for holding a conduit, such as a portion of a human vascular tissue, a fluid supply source for delivering a fluid into the conduit and a fluid pressure modulating device for modulating the fluid pressure supp... | 07/16/1996 |
| 5482679 | Device for determining the Wobbe index of a gas mixture Device for determining the Wobbe index of a first gas mixture, including a Wobbe index meter having a mixing chamber, and a feed system for supplying a first gas mixture and an oxidation gas to the mixing chamber of the Wobbe index meter. The feed system ... | 01/09/1996 |
| 5427160 | Method of filling a container A storage container (12) is filled with a combustible mixture of gases including a flammable gas and a primary gas which contains an oxidizer gas. The primary gas is conducted from a source (16) of the primary gas to an intermediate primary gas container ... | 06/27/1995 |
| 5372421 | Method of inverting, mixing, and activating polymers The inventive method inverts and activates polymer, and delivers it to an output at a relatively high concentration of polymer in an electrolyte fluid, such as water. The inversion and activation results from four steps: (1) premixing polymer and a diluen... | 12/13/1994 |
| 5370799 | Elevated temperature-pressure flow simulator An apparatus and process for simulation of field fluid flow conditions under elevated temperature and pressure conditions of oil and gas production, refining, cooling towers, desalinization. The process involves evaluating inhibitor action in reduction of... | 12/06/1994 |
